lautnusantara.comDemersal fish are species that live on or near the seabed in marine or shallow waters, such as groupers, snappers, threadfin bream, and flatfish. These fish are known for their white meat, firm yet tender texture, and savory flavor that is widely favored. In addition to their taste, demersal fish are recognized as a rich source of high-quality animal protein, making them an ideal component of a healthy diet.

General Nutritional Profile of Demersal Fish

According to data from various food composition references, including the Indonesian Food Composition Table (TKPI) and the Food and Agriculture Organization (FAO), the average nutritional content of demersal fish per 100 grams of edible portion includes:

• Protein: 16–22 grams
  The protein in demersal fish is easily digestible and contains all essential amino acids, making it ideal for growth and tissue repair.

• Fat: 0.5–5 grams
  Generally low in fat, yet still containing beneficial omega-3 fatty acids (DHA and EPA) that support brain and heart function.

• Energy: 80–120 kcal
  With relatively low calories, demersal fish are suitable for weight management and healthy eating plans.

• Key Minerals:

  • Phosphorus (P): 150–250 mg

  • Calcium (Ca): 10–50 mg

  • Iron (Fe): 0.3–1.5 mg

• Vitamins:

  • Vitamin B12: 1–2.5 µg

  • Vitamin A: 5–50 IU (higher in fish liver)

Nutritional Content of Selected Demersal Fish Species

This data shows that demersal fish are an excellent source of lean, high-quality protein, suitable for all age groups, including children, pregnant women, and the elderly.

Benefits of Consuming Demersal Fish

1. Supports Growth and Development
   Their rich protein content supports the development of muscles, bones, and the nervous system.

2. Promotes Heart and Brain Health
   While not as high as pelagic fish, the omega-3 fatty acids in demersal fish still offer cardiovascular and cognitive benefits.

3. Ideal for Healthy Diets
   Their low calorie content makes them a great choice for weight control programs.

4. Easily Digestible and Low Allergen Risk
   Demersal fish are generally safe for individuals with digestive issues or mild seafood allergies.

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